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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 900917Generated: November 1, 2026

4-Amino-5-chloro-thiophene-2-sulfonic acid bis-(2-hydroxy-ethyl)-amide → 7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid {5-[bis-(2-hydroxy-ethyl)-sulfamoyl]-2-chloro-thiophen-3-yl}-amide

https://huagongshe.com/reaction/900917

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Amino-5-chloro-thiophene-2-sulfonic acid bis-(2-hydroxy-ethyl)-amideHCID 67218487—
Reactant7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acidHCID 86607112—
Product7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid {5-[bis-(2-hydroxy-ethyl)-sulfamoyl]-2-chloro-thiophen-3-yl}-amideHCID 11997465—

Reaction Steps

The title compound was prepared from 7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (example C. 1) and 4-amino-5-chloro-thiophene-2-sulfonic acid bis-(2-hydroxy-ethyl)-amide (example B.5) according to general procedure II.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07361659B2
Source datasetuspto-grants-2008_04
ORD IDord-4c8fb0007e8c4a9d999985e5a87cc992
Source noteuspto-grants-2008_04